Q3 of 31 Page 47

Nucleic acids exhibit secondary structure. Describe through Wetson Crick Model.

• DNA is made up of two polypeptide chains, arranged in double helix.


• The backbone is of sugar phosphate while the nitrogenous bases are present on the inner side.


• These nitrogenous bases pairs to each other by H bonds. These H bond confers for the stability of helix.



More from this chapter

All 31 →
1

Formation of enzyme-substrate complex (ES) is the first step in catalysed reactions. Describe the other steps till the formation of product.

 2

What are different classes of enzymes? Explain any two with the type of reaction they catalyse.

 4

What is the difference between a nucleotide and nucleoside? Give two examples of each with their structure.

 5

Describe various forms of lipid with a few examples.

Lipids are classified into three categories: